High Treason By Robert J. Groden and Harrison Edward Livingstone. The evidence is chilling. The photographic proof is graphic and disturbing. The facts can no longer be denied. High Treason challenges everything we have been told about the motives behind president Kennedy's murder, for there is no convincing evidence that from the fateful day in Dallas, Through two decades of speculation, a massive conspiracy order JFK's demise and sabotage the investigations that followed. .